class CardSys(object):
    def __init__(self, cards, cards_max_num=40, draw_num=2, hand_cards_num=5):
        super(CardSys, self).__init__()
        self.cards = cards
        self.cards_max_num = cards_max_num
        self.draw_num = draw_num
        self.hand_cards_num = hand_cards_num
